290918439

素因数分解:

$3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3727}}^1$

素因数の和:3809

約数の個数: 48

約数和(自身を含む): 509990400

約数和(自身を除く): 219071961

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 147, 177, 189, 413, 441, 531, 1239, 1323, 1593, 2891, 3717, 3727, 8673, 11151, 11181, 26019, 26089, 33543, 78057, 78267, 100629, 182623, 219893, 234801, 547869, 659679, 704403, 1539251, 1643607, 1979037, 4617753, 4930821, 5937111, 10774757, 13853259, 32324271, 41559777, 96972813, 290918439]

約数ペア:

[(1, 290918439), (3, 96972813), (7, 41559777), (9, 32324271), (21, 13853259), (27, 10774757), (49, 5937111), (59, 4930821), (63, 4617753), (147, 1979037), (177, 1643607), (189, 1539251), (413, 704403), (441, 659679), (531, 547869), (1239, 234801), (1323, 219893), (1593, 182623), (2891, 100629), (3717, 78267), (3727, 78057), (8673, 33543), (11151, 26089), (11181, 26019)]